OEM/ODM China 321 347h Stainless Steel Tubing - Duplex Seamless tube – Donghao Metal Group

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We constantly function like a tangible group to ensure that we can give you the very best high-quality and also the very best cost for 316l Grade Stainless Steel Coil Tube , Bright Annealed Seamless Stainless Duplex Steel Tube , Stainless Steel Pipe , Since the factory founded, we have committed to the development of new products. With the social and economic pace, we will continue to carry forward the spirit of "high quality, efficiency, innovation, integrity", and stick to the operating principle of "credit first, customer first, quality excellent". We will create a brilliant future in hair production with our partners.

OEM/ODM China 321 347h Stainless Steel Tubing - Duplex Seamless tube – Donghao Metal Group Detail:

As the duplex and super duplex stainless steel has both the advantages of ferritic stainless steel and the austenitic stainless steel, they are widely used to produce heat transferring tubing for petrochemical industry, sea water treatment…. in aggressive acidic, chloride containing environments. DMG supply duplex tubes with high quality.

Delivery Condition: Annealed & Pickled, Annealed & Pickled + Polished

Grades: S31803, S32205, S32750, S32550, S32760, Other grades can be offered on request.

Standards:

ASTM/ASME A/ SA789 Seamless and welded Ferritic /Austenitic Stainless Steel Tubing for General Service

ASTM/ASME A/SA790 Seamless and welded Ferritic /Austenitic Stainless steel pipe

Outside diameter range from 12-76.2mm

Wall thickness range from 0.71-12mm

Inspection & Test：

1. 100% PMI / Chemical analysis tests.

2.100% Dimension tests & 100% Visual examination

3. Tension test, flange test, hardness test, flattening test

4. 100% Eddy Test or Hydrostatic Test before bending and 100% Hydrostatic test after bending

5. Checking stress released heat treatment in bending area plus 300mm straight leg length after bending with agreement with clients.

Notes: all the tests and inspection need to provide with reports according to standard and test results.

Length: Random Length / Fixed Length

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We aim to find out quality disfigurement from the production and supply the best service to domestic and overseas customers wholeheartedly for OEM/ODM China 321 347h Stainless Steel Tubing - Duplex Seamless tube – Donghao Metal Group, The product will supply to all over the world, such as: Swedish , Barcelona , Haiti , The credibility is the priority, and the service is the vitality. We promise we have now the ability to offer excellent quality and reasonable price items for customers. With us, your safety is guaranteed.

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The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.

By Cherry from Bangladesh - 2015.12.28 15:18

The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!

By Alex from Amman - 2015.06.09 12:42